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See Technical Specifications

LNBH29EPTR

Low-Noise Block (LNB) Down-Converter PMIC 16-QFN (3x3)

Manufacturer:

STMicroelectronics, Inc
Mfr.Part #:

LNBH29EPTR
Datasheet:

LNBH29EPTR Datasheet (PDF)
Applications:

Low-Noise Block (LNB) Down-Converter
Current - Supply:

10mA
Voltage - Supply:

8V ~ 17.5V
Operating Temperature:

0°C ~ 85°C
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LNBH29EPTR General Description

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH29 series is a monolithic voltage regulator and interface IC, assembled in QFN16 (3x3) and QFN16 (4x4) specifically designed to provide the 13 / 18 V power supply and the 22 kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. In this application field, it offers a complete solution with extremely low component count, low power dissipation together with a simple design and I²C standard interfacing.Single LNB supply and control IC DiSEqC 1.X comp.Single LNB supply and control IC DiSEqC 1.x comp.

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Key Features

Complete interface between LNB and I²C bus
Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
Selectable output current limit by external resistor
Compliant with main satellite receiver output voltage specifications
Accurate built-in 22 kHz tone generator suits widely accepted standards
EXTM pin, auxiliary 22 kHz modulation input (LNBH29E) extends design flexibility
22 kHz tone waveform integrity guaranteed also at no load condition
Low-drop post regulator and high efficiency step-up PWM with integrated power N-MOS allowing low power losses
Overload and overtemperature internal protection with I²C diagnostic bits
LNB short-circuit dynamic protection
+/- 4 kV ESD tolerant on output power pins

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Power Management - Specialized	Series	-
Applications	Low-Noise Block (LNB) Down-Converter	Current - Supply	10mA
Voltage - Supply	8V ~ 17.5V	Operating Temperature	0°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	LNBH29

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Ratings and Reviews

E**y 01/23/2023

He arrived in the esteemed times.

Z**y 10/10/2022

Product received in good condition and neat packages but untested yet.

L**y 03/02/2022

Very good! Sent instead of a set of different denominations two bags bc546 and two bags 2n5401! One star only for what even so sent! If at least a complementary couple would be sent to put more stars! And so the received time

M**i 02/22/2020

Sent 11.04.2019 received 13.05.2019, did not check, it's all normal, i recommend